Union County is in Northeast New Mexico. Of the 33 counties in the Land of Enchantment, 3,831-square-mile Union County ranks 15th by size. Union County, New Mexico, includes 4,000 acres of recreational land for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was $7 million. The average price of recreational property for sale in Union County was $2 million. The county has a rural, farm-based economy. Browse all recreational property for sale in New Mexico to find the recreational tract that suits your lifestyle needs, from hunting and fishing properties for the outdoor enthusiast to undeveloped acreage ready for future residential-property development.